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| 1 | Article: Gemmology, geology and origin of the Sandawana emerald deposits, Zimbabwe J.C. Zwaan, in: Scripta Geologica, Vol. 131 (2006), p. 1-212 |
Query: keyword: "gemmology"
previous next
1 of 1
| 1 | Article: Gemmology, geology and origin of the Sandawana emerald deposits, Zimbabwe J.C. Zwaan, in: Scripta Geologica, Vol. 131 (2006), p. 1-212 |